Definition of Implied call

Implied call

The right of the homeowner to prepay, or call, the mortgage at any time.

Irrational call option

The implied call imbedded in the MBS. Identified as irrational because the call is
sometimes not exercised when it is in the money (interest rates are below the threshold to refinance).
Sometimes exercised when not in the money (home sold without regard to the relative level of interest rates).

Option-adjusted spread (OAS)

1) The spread over an issuer's spot rate curve, developed as a measure of
the yield spread that can be used to convert dollar differences between theoretical value and market price.
2) The cost of the implied call embedded in a MBS, defined as additional basis-yield spread. When added to the
base yield spread of an MBS without an operative call produces the option-adjusted spread.

Call

An option that gives the right to buy the underlying futures contract.

Call an option

To exercise a call option.

Call date

A date before maturity, specified at issuance, when the issuer of a bond may retire part of the bond
for a specified call price.

Call money rate

Also called the broker loan rate , the interest rate that banks charge brokers to finance
margin loans to investors. The broker charges the investor the call money rate plus a service charge.

Call option

An option contract that gives its holder the right (but not the obligation) to purchase a specified
number of shares of the underlying stock at the given strike price, on or before the expiration date of the
contract.
call premium
Premium in price above the par value of a bond or share of preferred stock that must be paid to
holders to redeem the bond or share of preferred stock before its scheduled maturity date.

Call price

The price, specified at issuance, at which the issuer of a bond may retire part of the bond at a
specified call date.

Call price

The price for which a bond can be repaid before maturity under a call provision.

Call protection

A feature of some callable bonds that establishes an initial period when the bonds may not be
called.

Call provision

An embedded option granting a bond issuer the right to buy back all or part of the issue prior
to maturity.

Call risk

The combination of cash flow uncertainty and reinvestment risk introduced by a call provision.

Call swaption

A swaption in which the buyer has the right to enter into a swap as a fixed-rate payer. The
writer therefore becomes the fixed-rate receiver/floating rate payer.

Callable

A financial security such as a bond with a call option attached to it, i.e., the issuer has the right to
call the security.

Covered call

A short call option position in which the writer owns the number of shares of the underlying
stock represented by the option contracts. Covered calls generally limit the risk the writer takes because the
stock does not have to be bought at the market price, if the holder of that option decides to exercise it.

Covered call writing strategy

A strategy that involves writing a call option on securities that the investor
owns in his or her portfolio. See covered or hedge option strategies.

Deferred call

A provision that prohibits the company from calling the bond before a certain date. During this
period the bond is said to be call protected.

Effective call price

The strike price in an optional redemption provision plus the accrued interest to the
redemption date.

First-call

With CMOs, the start of the cash flow cycle for the cash flow window.

Implied repo rate

The rate that a seller of a futures contract can earn by buying an issue and then delivering
it at the settlement date. Related: cheapest to deliver issue

Implied volatility

The expected volatility in a stock's return derived from its option price, maturity date,
exercise price, and riskless rate of return, using an option-pricing model such as Black/Scholes.

Margin call

A demand for additional funds because of adverse price movement. Maintenance margin
requirement, security deposit maintenance
Margin of safety With respect to working capital management, the difference between 1) the amount of longterm
financing, and 2) the sum of fixed assets and the permanent component of current assets.

Provisional call feature

A feature in a convertible issue that allows the issuer to call the issue during the noncall
period if the price of the stock reaches a certain level.

Put-call parity relationship

The relationship between the price of a put and the price of a call on the same
underlying security with the same expiration date, which prevents arbitrage opportunities. Holding the stock
and buying a put will deliver the exact payoff as buying one call and investing the present value (PV) of the
exercise price. The call value equals C=S+P-PV(k).

Uncovered call

A short call option position in which the writer does not own shares of underlying stock
represented by his option contracts. Also called a "naked" call, it is much riskier for the writer than a covered
call, where the writer owns the underlying stock. If the buyer of a call exercises the option to call, the writer
would be forced to buy the stock at market price.

Yield to call

The percentage rate of a bond or note, if you were to buy and hold the security until the call date.
This yield is valid only if the security is called prior to maturity. Generally bonds are callable over several
years and normally are called at a slight premium. The calculation of yield to call is based on the coupon rate,
length of time to the call and the market price.

acid test ratio (also called the quick ratio)

The sum of cash, accounts receivable, and short-term marketable
investments (if any) is divided by
total current liabilities to compute this ratio. Suppose that the short-term
creditors were to pounce on a business and not agree to roll over the
debts owed to them by the business. In this rather extreme scenario, the
acid test ratio reveals whether its cash and near-cash assets are enough
to pay its short-term current liabilities. This ratio is an extreme test that
is not likely to be imposed on a business unless it is in financial straits.
This ratio is quite relevant when a business is in a liquidation situation
or bankruptcy proceedings.

net income (also called the bottom line, earnings, net earnings, and net

operating earnings)
This key figure equals sales revenue for a period
less all expenses for the period; also, any extraordinary gains and losses
for the period are included in this final profit figure. Everything is taken
into account to arrive at net income, which is popularly called the bottom
line. Net income is clearly the single most important number in business
financial reports.

Call Option

A contract that gives the holder the right to buy an asset for a
specified price on or before a given expiration (maturity) date

economically reworked

when the incremental revenue from the sale of reworked defective units is greater than
the incremental cost of the rework

Call

a. An option to buy a certain quantity of a stock or commodity for a
specified price within a specified time. See Put.
b. A demand to submit bonds to the issuer for redemption before the maturity date.
c. A demand for payment of a debt.
d. A demand for payment due on stock bought on margin.

Callable bond

A bond that allows the issuer to buy back the bond at a
predetermined price at specified future dates. The bond contains an embedded
call option; i.e., the holder has sold a call option to the issuer. See Puttable
bond.

Implied volatility

For an option, the variance that makes a call option price
equal to the market price. Given the option price, strike price, and other
factors, the Black-Scholes model computes implied volatility.

call option

Right to buy an asset at a specified exercise price on or before the exercise date.

callable bond

Bond that may be repurchased by the issuer before maturity at specified call price.

Significant Influence

The extent of influence of an investor over the operating and financial
policies of an investee. Typically implied when an investor has a voting interest of between 20%
and 50% of an investee's voting shares. However, can be implied as a result of such factors as
board representation, participation in management, material intercompany transactions, and technological
dependency.

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